html,
body,
blockquote,
textarea,
th,
pre,
ul,
li,
ol,
dl,
dd,
dt,
p,
h1,
h2,
h3,
h4,
h5,
h6,
a,
span,
div,
input,
form,
fieldset,
legend,
img {
    margin: 0;
    padding: 0;
    /*设置盒模型*/
    box-sizing: border-box;
    /*去除移动端特有的点击高亮效果*/
    -webkit-tap-highlight-color: transparent;
}

ul,
ol {
    list-style: none;
}

textarea {
    resize: none;
}

fieldset,
img,
input,
button {
    border: none;
    padding: 0;
    margin: 0;
    outline-style: none;
    /*外面环绕线*/
}

img {
    border: 0;
    /*ie6*/
    vertical-align: middle;
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

button {
    cursor: pointer;
}

select,
input {
    vertical-align: middle;
}

.clearfix:after {
    content: "";
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
    line-height: 0;
}

.clearfix {
    *zoom: 1;
}

s,
i,
em {
    /*一般是起装饰作用*/
    font-style: normal;
    /*去掉原有的样式*/
    text-decoration: none;
    /*去掉下划线或是删除线*/
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.al {
    text-align: left;
}

.ac {
    text-align: center;
}

.ar {
    text-align: right;
}

.none,
.hide {
    display: none;
}

.pr {
    position: relative;
}

.pa {
    position: absolute;
}

.ml10 {
    margin-left: 10px;
}

.mr10 {
    margin-right: 10px;
}

.mt10 {
    margin-top: 10px;
}

/*公共类*/
body {
    font-family: "微软雅黑", sans-serif;
    font-size: 13px;
}

a,
a:hover {
    color: #666;
    text-decoration: none;
}

.w {
    /*版心 提取 (改）*/
    width: 640px;
    margin: 0 auto;
}